Polycrystalline Photovoltaic Test Set Design

Total Page:16

File Type:pdf, Size:1020Kb

Polycrystalline Photovoltaic Test Set Design IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE) e-ISSN: 2278-1676,p-ISSN: 2320-3331, Volume 13, Issue 1 Ver. I (Jan. – Feb. 2018), PP 17-22 www.iosrjournals.org Polycrystalline Photovoltaic Test Set Design Asist. Prof. Riyad ŞİHAB1, Prof. Yusuf ÖNER2, Asist. Prof. Sertaç GÖRGÜLÜ3, Lec. Bahtiyar USLU4 1Afyon Kocatepe University, Dazkırı Vocation Schooll,[email protected] 2Pamukkale University, Faculty Of Engineering, [email protected] 3Mehmet Akif Ersoy University, Faculty Of Engineering And Architecture, [email protected] 4Mehmet Akif Ersoy University, Gölhisar Vocation Schooll, [email protected] Abstract: Today, energy demand is increasing day by day. The reserves of fossil fuels are limited and cannot meet this energy which it is needed. To make use of renewable energy resources to provide the energy needs. In this study, the important kind of resource the renewable energy application is polycrystalline solar panels, has been determined. Polycrystalline panel is the most popular and preferable among the kinds of solar panels which are most favored in the solar panel market. The realized work is spent on all the energy consumed by the polycrystalline solar panel. To measure the current and voltage sensors are used for generated energy. The analogue data from the current and voltage sensors are converted to digital data and a control card with USB output which is fixed to send this data to the computer. Finally, the interface with the C # program was used to display the data from the control card on the computer. Keywords -Polycrystalline solar panel, PIC18F4550, control system, C # interface I. INTRODUCTION The method which is used for producing poly-crystalline silicon is similar to the monocrystalline silicon method. Poly-crystalline silicon is obtained by cooling the molten semiconductor silicon in molds. Cooling semiconductors are sliced in the form of circular, rectangular or polygonal, as well as monocrystalline solar cells, with thicknesses of 0,2-0,3 mm. Then the semiconducting materials are brought together and connected with special adhesives so that they are not separated from each other. As a final step, the antireflective glass layer is glued to form the solar cell. Polycrystalline silicon is not homogeneous because the Czochralsi method or other purification method is not used in the production of poly-crystal silicon. Therefore, the efficiency of polycrystalline solar cells is lower than that of monocrystalline solar cells. Due to the ease of production poly-crystalline silicon, the price is lower than mono-crystalline solar batteries. Polycrystalline solar panels look blue if there is glass to prevent the reflection, silver is the glass, or the glass to prevent reflection. Figure 1.1 shows the poly-crystalline silicon solar cell. Figure 1.1. Polycrystalline silicon solar cell Many researches have been done on solar panels [1-14]. These studies are sometimes based on a single solar panel, sometimes using two or more solar panel types. The most commonly used polycrystalline solar panel was selected in the solar energy experiment set. DOI: 10.9790/1676-1301011722 www.iosrjournals.org 17 | Page Polycrystalline Photovoltaic Test Set Design II. MATERIALS AND METHOD The purpose of this research is to provide students in the Electricity Department of Afyon Kocatepe University Dazkırı Vocational School with the practical knowledge and application about solar panels. The system shown in Figure 1.1 is shown. Figure 2.1. Solar energy experiment set Solar Panel Two types of solar panels, monocrystalline and polycrystalline, are used in the solar energy experiment set system. Since the production methods of solar panels are different, reactions to solar rays are different. Thus, it has been determined which solar panel is more efficient in Afyonkarahisar Province. Figure 1.2 shows the solar panels used in the system. Figure 2.2. Solar panels used in the system The technical information of the solar panels used in the system is shown in table 1. Power 20 Watt Maximum Voltage 18,68 Volt Maximum Current 1,12 Amper Open Circuit Current 22,51 Volt Short Circuit Current 1,12 Amper Weight 2,1 kg DOI: 10.9790/1676-1301011722 www.iosrjournals.org 18 | Page Polycrystalline Photovoltaic Test Set Design A. Consumer 20 Watt receiver was used to use all of the electricity generated in the solar panel. B. Control Card Control card; 220 Volt supply input, solar panel input, receiver output, USB output current and voltages. Figure 1.3 shows the control card used in the system. Figure 2.3. Control card used in the system The control board has a voltage and current sensor. The analog data from the current and voltage converters are processed on the control card and converted into digital data. Digital data is sent to the computer via by USB connection. The control card needs to be connected to an external power source so it can measure up to 24 hours. There's a 220 volt input for this. By adding power plant to the 220 volt input, the electricity needed for the sensors and control card which used for the system is provided. In order to increase the sensitivity of the voltage sensors, the solar panels have been designed with respect to the maximum voltage values which has being taken into consideration. The maximum voltage at which the voltage sensor is measured is 30 volts. The sensitivity of the current sensors is also increased by selecting max. 5 Amps, in the same way. C. Interface An interface has been designed through the C # program so that all the data produced by the solar energy experiment set can be displayed on a computer. With this designed interface, the voltage, current and power values of polycrystalline solar panels are shown. In addition, all generated data in the system are recorded in the access database at intervals of 10 seconds in order to get a comparison. Figure 1.4 shows the interface used in the system. DOI: 10.9790/1676-1301011722 www.iosrjournals.org 19 | Page Polycrystalline Photovoltaic Test Set Design Figure 2.4. Interface used in the system. III. RESULT As a result of examining the current, voltage and power values have produced by the solar energy experiment set, the following data were obtained. Figure 3.1 shows a daily voltage graph of 20/06/2017. Figure 3.1. Voltage-Time According to the voltage graph that the polycrystalline solar panel produced between 06: 00-20: 00 hours on 20/06/2017, electricity energy production becomes lowest in the early morning and late in the afternoon. In the noon hours, when the sun's rays are at the vertical, electric energy production has reached the highest level. Since there is no production of electricity in the hours when there is no sun, those hours are not added to the graph. The chart covers the sunrise from 06:00 to sunrise at 20:00. A daily current-time curve is shown in Figure 3.2. DOI: 10.9790/1676-1301011722 www.iosrjournals.org 20 | Page Polycrystalline Photovoltaic Test Set Design Figure 3.3.Power-Time The polycrystalline solar panel is affected by the height of the environment where the yields are, the arrival angle of sunlight, ambient temperature and many other factors. Sometimes the places and times of the polycrystalline solar panel may be more efficient while the polycrystalline solar panel on some circumstances can be higher. When a day's power chart is blurred, the power generated in the early hours of the morning stays at the limit of 5-10 watts, but reaches the limit of 20 watts at noon when the sun's rays are vertical. The energy that is produced after lunch is gradually falling down. IV. CONCLUSION Afyon Kocatepe University Dazkırı Vocational School Electrical Department students have been informed about solar panels in practice. Polycrystalline solar panel on 20/06/2017 194,9522 Wh energy production has been determined . DOI: 10.9790/1676-1301011722 www.iosrjournals.org 21 | Page Polycrystalline Photovoltaic Test Set Design Acknowledgements This research was donated by Afyon Kocatepe University Scientific Research Projects 16th Curriculum 117 project number. REFERENCES [1] A. W. Czanderna and G. J. Jorgensan, “Accelerated life testing and service lifetime prediction for PV technologies in the twentyfirst century,” National Renewable Energy Laboratory, vol. 520, pp. 26710, 1999 [2] Y.Oğuz, A.Karakan, B.Uslu, “Üç Farklı Malzemeden Üretilmiş Güneş Panellerinin Elektrik Enerjisi Üretimlerinin Karşılaştırılması” II.KOP Bölgesel Kalkınma Sempozyumu, 23-24 Ekim 2014, Niğde/Türkiye [3] A. Karakan, Y.Oğuz, B.Uslu “The Study Of The Performance Of Thin-Film Solar Panels Established In Afyonkarahisar” Journal of Multidisciplinary Engineering Science and Technology (JMEST), Vol. 2 Issue 11, pp.3340-3344, November – 2015 [4] B.Uslu, A. Karakan, Y.Oğuz, “The Performance of Monocrystalline Solar Panel Established in Afyonkarahisar”, International Journal of Current Research, Vol. 7, Issue, 12, pp.24711-24714, December, 2015 [5] J. G. Mayer, “Efficient light to electrical energy conversion: Nanocrystalline TIO2 films modified with inorganic sensitizers,” Journal of Chemical Education, vol. 74, pp. 652, 1997. [6] A. Karakan, Y.Oğuz, B.Uslu “The Performance of Polycrystalline Solar Panel Established in Afyonkarahisar”, International Journal of Current Research, Vol. 7, Issue, 12, pp.24715-24718, December, 2015 [7] Y.Oğuz, A.Karakan and B.Uslu, “Comparison of Energy Generated on Different Solar Panels, Energy Flow Control and Efficiency Analysis” International Journal of Electrical Energy, Vol. 3, No. 1, pp. 37-42, March 2015 [8] Y.Oğuz, A.Karakan, B.Uslu “Afyonkarahisarda Kurulu olan Monokristal, Polikristal ve İnce Film Güneş Panellerinin Verimliklerinin İncelenmesi”, Tesisat Mühendisliği Dergisi, Sayı 149 pp.47-58, Eylül/Ekim 2015 [9] A. Al-Karaghouli and A. M. Al-Sabounchi, “A PV pumping system,” Applied Energy, vol. 65, pp.
Recommended publications
  • Research Into Fabrication and Popularization of Organic Thin Film Solar Cells, Chemical Engineering Transactions, 55, 25-30 DOI:10.3303/CET1655005 26
    25 A publication of CHEMICAL ENGINEERING TRANSACTIONS VOL. 55, 2016 The Italian Association of Chemical Engineering Online at www.aidic.it/cet Guest Editors: Tichun Wang, Hongyang Zhang, Lei Tian Copyright © 2016, AIDIC Servizi S.r.l., ISBN 978-88-95608-46-4; ISSN 2283-9216 DOI: 10.3303/CET1655005 Research into Fabrication and Popularization of Organic Thin Film Solar Cells Bin Zhang*a, Yan Lia, Shanlin Qiaob, Le Lic, Zhanwen Wanga a Hebei Chemical & Pharmaceutical College, No. 88 Fangxing Road, Shijiazhuang, Hebei Province, China; b Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189 Songling Road, Qingdao, Shandong Province, China c Shijiazhuang Naienph Chemical Technology Co., Ltd, No. 12 Shifang Road, Shijiazhuang, Hebei Province, China. [email protected] An analysis was conducted herein on the research status of several popular solar cells at the present stage, including silicon solar cell, thin film photovoltaic cell, and dye-sensitized solar cell (DSSC). In doing so, we concluded that the current situations provide a favorable objective environment for the popularization of organic thin film solar cells. Finally, we reviewed the merits and demerits of the organic thin film solar cell together with the major research focus on and progress of it, and summarized obstacles to and development trails of the popularization of organic thin film solar cells. 1. Introduction As the energy crisis further deepens in the 21st century, the existing development level for solar cells has already failed to satisfy increasing social demands for energy. This phenomenon is mainly reflected in the costly high-purity silicon solar panels, in the defects at new amorphous silicon (a-Si) during energy conversion, and in the limited theoretical energy conversion efficiency (around 25%) of silicon solar panels as well.
    [Show full text]
  • Crystalline-Silicon Solar Cells for the 21St Century
    May 1999 • NREL/CP-590-26513 Crystalline-Silicon Solar Cells for the 21st Century Y.S. Tsuo, T.H. Wang, and T.F. Ciszek Presented at the Electrochemical Society Annual Meeting Seattle, Washington May 3, 1999 National Renewable Energy Laboratory 1617 Cole Boulevard Golden, Colorado 80401-3393 NREL is a U.S. Department of Energy Laboratory Operated by Midwest Research Institute ••• Battelle ••• Bechtel Contract No. DE-AC36-98-GO10337 NOTICE This report was prepared as an account of work sponsored by an agency of the United States government. Neither the United States government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States government or any agency thereof. Available to DOE and DOE contractors from: Office of Scientific and Technical Information (OSTI) P.O. Box 62 Oak Ridge, TN 37831 Prices available by calling 423-576-8401 Available to the public from: National Technical Information Service (NTIS) U.S. Department of Commerce 5285 Port Royal Road Springfield, VA 22161 703-605-6000 or 800-553-6847 or DOE Information Bridge http://www.doe.gov/bridge/home.html Printed on paper containing at least 50% wastepaper, including 20% postconsumer waste CRYSTALLINE-SILICON SOLAR CELLS FOR THE 21ST CENTURY Y.S.
    [Show full text]
  • Thermal Management of Concentrated Multi-Junction Solar Cells with Graphene-Enhanced Thermal Interface Materials
    applied sciences Article Thermal Management of Concentrated Multi-Junction Solar Cells with Graphene-Enhanced Thermal Interface Materials Mohammed Saadah 1,2, Edward Hernandez 2,3 and Alexander A. Balandin 1,2,3,* 1 Nano-Device Laboratory (NDL), Department of Electrical and Computer Engineering, University of California, Riverside, CA 92521, USA; [email protected] 2 Phonon Optimized Engineered Materials (POEM) Center, Bourns College of Engineering, University of California, Riverside, CA 92521, USA; [email protected] 3 Materials Science and Engineering Program, University of California, Riverside, CA 92521, USA * Correspondence: [email protected]; Tel.: +1-951-827-2351 Academic Editor: Philippe Lambin Received: 20 May 2017; Accepted: 3 June 2017; Published: 7 June 2017 Abstract: We report results of experimental investigation of temperature rise in concentrated multi-junction photovoltaic solar cells with graphene-enhanced thermal interface materials. Graphene and few-layer graphene fillers, produced by a scalable environmentally-friendly liquid-phase exfoliation technique, were incorporated into conventional thermal interface materials. Graphene-enhanced thermal interface materials have been applied between a solar cell and heat sink to improve heat dissipation. The performance of the multi-junction solar cells has been tested using an industry-standard solar simulator under a light concentration of up to 2000 suns. It was found that the application of graphene-enhanced thermal interface materials allows one to reduce the solar cell temperature and increase the open-circuit voltage. We demonstrated that the use of graphene helps in recovering a significant amount of the power loss due to solar cell overheating. The obtained results are important for the development of new technologies for thermal management of concentrated photovoltaic solar cells.
    [Show full text]
  • Crystalline Silicon Photovoltaic Module Manufacturing
    Crystalline Silicon Photovoltaic Module Manufacturing Costs and Sustainable Pricing: 1H 2018 Benchmark and Cost Reduction Road Map Michael Woodhouse, Brittany Smith, Ashwin Ramdas, and Robert Margolis National Renewable Energy Laboratory NREL is a national laboratory of the U.S. Department of Energy Technical Report Office of Energy Efficiency & Renewable Energy NREL/TP-6A20-72134 Operated by the Alliance for Sustainable Energy, LLC Revised February 2020 This report is available at no cost from the National Renewable Energy Laboratory (NREL) at www.nrel.gov/publications. Contract No. DE-AC36-08GO28308 Crystalline Silicon Photovoltaic Module Manufacturing Costs and Sustainable Pricing: 1H 2018 Benchmark and Cost Reduction Road Map Michael Woodhouse, Brittany Smith, Ashwin Ramdas, and Robert Margolis National Renewable Energy Laboratory Suggested Citation Woodhouse, Michael. Brittany Smith, Ashwin Ramdas, and Robert Margolis. 2019. Crystalline Silicon Photovoltaic Module Manufacturing Costs and Sustainable Pricing: 1H 2018 Benchmark and Cost Reduction Roadmap. Golden, CO: National Renewable Energy Laboratory. https://www.nrel.gov/docs/fy19osti/72134.pdf. NREL is a national laboratory of the U.S. Department of Energy Technical Report Office of Energy Efficiency & Renewable Energy NREL/TP-6A20-72134 Operated by the Alliance for Sustainable Energy, LLC Revised February 2020 This report is available at no cost from the National Renewable Energy National Renewable Energy Laboratory Laboratory (NREL) at www.nrel.gov/publications. 15013 Denver West Parkway Golden, CO 80401 Contract No. DE-AC36-08GO28308 303-275-3000 • www.nrel.gov NOTICE This work was authored by the National Renewable Energy Laboratory, operated by Alliance for Sustainable Energy, LLC, for the U.S. Department of Energy (DOE) under Contract No.
    [Show full text]
  • Spectral Response of Polycrystalline Silicon Photovoltaic Cells Under Real-Use Conditions
    energies Article Spectral Response of Polycrystalline Silicon Photovoltaic Cells under Real-Use Conditions Evaldo C. Gouvêa *, Pedro M. Sobrinho and Teófilo M. Souza Renewable Energy Center, School of Engineering, São Paulo State University (UNESP), Guaratinguetá, Avenida Ariberto Pereira da Cunha 333, Guaratinguetá 12516-410, São Paulo, Brazil; [email protected] (P.M.S.); teofi[email protected] (T.M.S.) * Correspondence: [email protected]; Tel.: +55-12-3123-2777 Received: 11 May 2017; Accepted: 2 August 2017; Published: 10 August 2017 Abstract: The standard test conditions for photovoltaic modules are not capable of reproducing the environmental variations to which the modules are subjected under real operating conditions. The objective of this experimental work is to be an initial study on how the electric energy generation of photovoltaic cells varies according to the different wavelength ranges of the solar light spectrum under real operating conditions. Two modules were installed outdoors; color filters, which allow the passage of light at specific wavelengths, were installed on one of them. The amount of energy produced by the module with the filter was compared to the reference module, and the relative efficiency of each filter was defined. As a result, it was found that crystalline silicon modules do not respond uniformly to sunlight, being more sensitive to the red band (relative efficiency of 23.83%) and less sensitive to the green band (19.15%). The infrared contributes to a significant portion of energy production (relative efficiency of 13.56%), overcoming its negative effect of reducing energy generation capacity due to high photovoltaic cell temperature.
    [Show full text]
  • Cast Polycrystalline Silicon Photovoltaic Module Manufacturing Technology Improvements"
    January 1997 • NREL/SR-520-22503 Cast Polycrysta Silicon Photovoltaic Mod Manufacturing Technology Impr ments Semiannual Tee Report 1 January 1996 June 1996 J. Wohlgemuth Solarex, A Business Unit of Amoco/Enron Solar Frederick, Maryland National Renewable Energy Laboratory 1617 Cole Boulevard Golden, Colorado 80401-3393 A national laboratory of the U.S. Department of Energy Managed by Midwest Research Institute for the U.S. Department of Energy under Contract No. DE-AC36-83CH10093 NREL/SR-520-22503 • UC Category: 1280 • DE97000208 Cast Polycrys ..-. e Silicon Photovoltaic M e Manufacturing Technology Imp ements Semiannual Tee al Report 1 January 199 0 June 1996 ,, i i J. Wohlgemuth Solarex, A Business Unit ofAmoco/Enron Solar Frederick, Maryland J NREL technical monitor: R. Mitchell · .n.l,=•-- National...... Renewable Energy Laboratory 1617 Cole Boulevard Golden, Colorado 80401-3393 A national laboratory of the U.S. Department of Energy I Managed by Midwest Research Institute for the U.S. Department of Energy J under Contract No. DE-AC36-83CH10093 Prepared under Subcontract No. ZAI-2-11294-1 January 1997 fl I i This publication was reproduced from the best available camera-ready copy submitted by the subcontractor and received no editorial review at NREL. NOTICE This report was prepared as an account of work sponsored by an agency of the United States government. Neither the United States government nor any gency thereof, nor any of their employees, makes any l warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, d or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights.
    [Show full text]
  • Thin-Film Crystalline Silicon Solar Cells
    Thin-filmThin-film crystallinecrystalline siliconsilicon solarsolar cellscells Kenji YAMAMOTO A photoelectric conversion efficiency of over 10% has been achieved in thin-film 750 polycrystalline silicon solar cells which consists 700 of a 2 µm thick layer of polycrystalline silicon with a very small grain size (microcrystalline 650 (mV) Astropower Mitsubishi silicon) formed by low-temperature plasma oc V 600 CVD. This has shown that if the recombina- ASE/ISFH ISE tion velocity at grain boundaries can be made 550 Kaneka Sanyo Ti Daido very small, then it is not necessarily important Neuchatel 500 3 10 4 to increase the size of the crystal grains, and 10 ETL 105 that an adequate current can be extracted 450 106 S=107cm/s even from a thin film due to the light trap- BP Tonen open circuit voltage 400 ping effect of silicon with a low absorption coefficient. As a result, this technology may 350 10-2 10-1 100 101 102 103 104 eventually lead to the development of low- grain size � ( µ m) cost solar cells. Also, an initial efficiency as high as 12% has been achieved with a tan- Fig. 1: The relationship between grain size and open circuit voltage (V ) in solar cells. dem solar cell module of microcrystalline sili- oc Voc is correlated to the carrier lifetime (diffusion length). In the figure, S indicates the con and amorphous silicon, which has now recombination velocity at the grain boundaries. In this paper, microcrystalline silicon cells correspond to a grain size of 0.1 µm or less. In the figure, Ti, BP, ASE and ISE are abbre- started to be produced commercially.
    [Show full text]
  • Environmentally Benign Silicon Solar Cell Manufacturing
    July 1998 ! NREL/CP-590-23902 Environmentally Benign Silicon Solar Cell Manufacturing Y.S. Tsuo, J.M. Gee, P. Menna, D.S. Strebkov, A. Pinov, and V. Zadde Presented at the 2nd World Conference and Exhibition on Photovoltaic Solar Energy Conversion; 6-10 July 1998; Vienna, Austria National Renewable Energy Laboratory 1617 Cole Boulevard Golden, Colorado 80401-3393 A national laboratory of the U.S. Department of Energy Managed by the Midwest Research Institute For the U.S. Department of Energy Under Contract No. DE-AC36-83CH10093 ENVIRONMENTALLY BENIGN SILICON SOLAR CELL MANUFACTURING Y.S. Tsuo National Renewable Energy Laboratory, Golden, CO 80401, USA Phone: 303-384-6433, Fax: 303-384-6531, E-mail: [email protected] J.M. Gee Sandia National Laboratories, Albuquerque, NM 87185, USA Phone: 505-844-7812, Fax: 505-844-6541, E-mail: [email protected] P. Menna National Agency for New Technologies Energy & Environment, I-80055 Portici, Italy Phone: 39-81-772-3205, Fax: 772-3299, E-mail: [email protected] D.S. Strebkov, A. Pinov, and V. Zadde Intersolarcenter, Moscow 109456, Russia Phone: 7-095-171-1920, Fax: 7-095-170-5101, E-mail: [email protected] ABSTRACT: The manufacturing of silicon devices - from polysilicon production, crystal growth, ingot slicing, wafer cleaning, device processing, to encapsulation - requires many steps that are energy intensive and use large amounts of water and toxic chemicals. In the past two years, the silicon integrated-circuit (IC) industry has initiated several programs to promote environmentally benign manufacturing, i.e., manufacturing practices that recover, recycle, and reuse materials resources with a minimal consumption of energy.
    [Show full text]
  • Design, Fabrication and Performance Analysis of Solar Electric Tricycle
    © 2019 JETIR March 2019, Volume 6, Issue 3 www.jetir.org (ISSN-2349-5162) DESIGN, FABRICATION AND PERFORMANCE ANALYSIS OF SOLAR ELECTRIC TRICYCLE 1Mr Jyothilal Nayak Bharothu, 2G.Naga Gopala Krishna, 3M.Om Sai Prasad,4G.Bhanu Madhav, 5M.Balayya, 6J.Yuktheswar Venkat Sai 1Associate Professor, 2,3,4,5,6UG Students 1Department of Electrical & Electronics Engineering 1Sri Vasavi Institute of Engineering and Technology (SVIET), Machilipatnam, India Abstract : Solar energy is being a renewable and non-conventional source of energy which is also a environmental friendly and free of cost. We came to implement an idea to make journey easier to handicapped people by using solar energy to move tri-cycle. This project is about building a tricycle that is motorised and is powered by solar energy, the overall layout of this tri-cycle is economical to fabricate and this type of tricycle may prove mile stone in development of technology for physically challenged people. The main content of the tri-cycle is Solar PV panel, DC motor, Controller, Throttle, battery. In this project it is discussed that how solar tri-cycle will help to reduce the effort of handicapped person. I INTRODUCTION The depleting reserves of fossil fuels made the engineers and scientists to look for renewable energy sources. In addition, the environmental decay due to the combustion of fuel is alarming and justifies the design of eco-friendly system. India is spending large amount of foreign exchange to import crude oil even though we have abundant resource of solar energy. If we utilize solar power for local conveyance, a large amount of currency can be saved and we can also ensure pollution free environment and contribute to nation’s economy.
    [Show full text]
  • Polycrystalline Silicon Nanowires Synthesis Compatible with CMOS
    Polycrystalline silicon nanowires synthesis compatible with CMOS technology for integrated gas sensing applications Régis Rogel, Emmanuel Jacques, Laurent Pichon, Anne-Claire Salaün To cite this version: Régis Rogel, Emmanuel Jacques, Laurent Pichon, Anne-Claire Salaün. Polycrystalline silicon nanowires synthesis compatible with CMOS technology for integrated gas sensing applications. IEEE Transactions on Electron Devices, Institute of Electrical and Electronics Engineers, 2014, 61 (2), pp.598. 10.1109/TED.2013.2295511. hal-00956209 HAL Id: hal-00956209 https://hal.archives-ouvertes.fr/hal-00956209 Submitted on 10 Mar 2014 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. > REPLACE THIS LINE WITH YOUR PAPER IDENTIFICATION NUMBER (DOUBLE-CLICK HERE TO EDIT) < 1 Polycrystalline silicon nanowires synthesis compatible with CMOS technology for integrated gas sensing applications R. Rogel, E. Jacques, L. Pichon, and A.C. Salaun current when, after surface functionalization, the analytical Abstract—Polysilicon nanowires are synthesized following a (charged) molecules bind to specific recognition molecule at classical top-down approach using conventional UV lithography the SiNWs surface. In this way, many studies reported on technique fully compatible with the existing silicon CMOS biological sensors for DNA hybridation [4], chemical [6] and technology.
    [Show full text]
  • Crystalline and Polycrystalline Silicon PV Technology
    Crystalline and Polycrystalline Silicon PV Technology • Crystalline silicon PV cells are used in the largest quantity of all types of panels on the market, representing about 90% of the world total PV cell production in 2008. • The highest energy conversion efficiency reported so far for research crystalline silicon PV cells is 25%. • Standard industrial cells are limited to 15–18% with the exception of certain high‐ efficiency cells capable of efficiencies greater than 20%. • High‐efficiency research PV cells have advantages in performance but are often unsuitable for low‐cost production due to their complex structures and the lengthy manufacturing processes required for fabrication. • World annual production of PV cells reached more than 7.9 GWp in 2008 (10.6 GWp in 2009), and the average annual growth rate in PV cell production over the last decade has been more than 40%. • Yet the electrical power generated by all PV systems around the world is less than 0.1% of the total world electricity generation T. Saga, NPG Asia Mater. 2(3) 96–102 (2010) Typical mono‐ and polycrystalline silicon solar cells (upper), and simplified cross‐ section of a commercial monocrystalline silicon solar cell (lower) (© 2010 Sharp). T. Saga, NPG Asia Mater. 2(3) 96–102 (2010) Production of “Standard” Silicon PV Cells Standard cells are produced using one monocrystalline and polycrystalline boron‐doped p‐type silicon substrates. Cells are typically 125 mm (5 inches) or 156 mm (6 inches) square, respectively. Monocrystalline solar cells are produced from pseudo‐square silicon wafer substrates cut from column ingots grown by the Czochralski (CZ) process.
    [Show full text]
  • Large-Scale PV Module Manufacturing Using Ultra-Thin Silicon Solar Cells"
    A national laboratory of the U.S. Department of Energy Office of Energy Efficiency & Renewable Energy National Renewable Energy Laboratory Innovation for Our Energy Future Subcontract Report Large-Scale PV Module NREL/SR-520-40191 July 2006 Manufacturing Using Ultra-Thin Polycrystalline Silicon Solar Cells Final Subcontract Report 1 April 2002 — 28 February 2006 J. Wohlgemuth and M. Narayanan BP Solar Frederick, Maryland NREL is operated by Midwest Research Institute ● Battelle Contract No. DE-AC36-99-GO10337 Subcontract Report Large-Scale PV Module NREL/SR-520-40191 Manufacturing Using Ultra-Thin July 2006 Polycrystalline Silicon Solar Cells Final Subcontract Report 1 April 2002 — 28 February 2006 J. Wohlgemuth and M. Narayanan BP Solar Frederick, Maryland NREL Technical Monitor: R.L. Mitchell Prepared under Subcontract No. ZDO-2-30628-03 National Renewable Energy Laboratory 1617 Cole Boulevard, Golden, Colorado 80401-3393 303-275-3000 • www.nrel.gov Operated for the U.S. Department of Energy Office of Energy Efficiency and Renewable Energy by Midwest Research Institute • Battelle Contract No. DE-AC36-99-GO10337 This publication was reproduced from the best available copy submitted by the subcontractor and received no editorial review at NREL. NOTICE This report was prepared as an account of work sponsored by an agency of the United States government. Neither the United States government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights.
    [Show full text]